How do you meet with the Coca-Cola company to discuss a new idea?
Most companies only use ideas from their own company. If you can become a board member of become a friend of a board member you could present the idea. If you are or have become a board member of the Coca-Cola company, tell your friend the idea. If he likes it, ask him to present it. You could also create your own cola and use the idea. If your cola or idea becomes of interest to the company, they would by it from you.